I have been using Cura for a long time, and this has been an issue for a while.  As the subject says, supports going up to nohwere. I have attached two screenshots, and the STL file.  One screenshot is the part Pre-slice in the Prepare pane.  The other is after the slice with Supports everywhere in the Preview pane.  There are three support towers that go up to nothing.  I see quite a few of these in many different models of many different shapes.  To make matters worse, it is difficult to ge